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. 2007 Feb 21;81(9):4858–4865. doi: 10.1128/JVI.02755-06

TABLE 1.

Summary of gB mutant propertiesa

Mutation(s) Fusion loop Expression in L cells MAb reactivity
Surface expression
Fusion
DL16 SS55 SS145 Anti-Myc IFA CELISA (% WT) Luc (% WT) Syncytia
None + + + + + 100 100 +
W174Y I + + + + + 123 ± 47 46 ± 14
W174K I + + 55 ± 23 0 ± 0.25
W174R I + + + + + 146 ± 57 9 ± 14
Y179K I + + + + + 142 ± 45 0 ± 10
V259R II + 22 ± 23 4 ± 4
A261W II + + + + + 108 ± 60 18 ± 16
A261D II + + + + + 125 ± 50 9 ± 8
W174R/A261D I and II + + + + + 162 ± 10 0 ± 10
F262L II + + + + + 105 ± 59 68 ± 21 +
F262D II + + + + + 103 ± 57 115 ± 23 +
a

IFA, immunofluorescence assay; Luc, luciferase.